Now you can try to grow tall fescue here, but unless you water it regularly, it dies in a heartbeat. There’s only a finite amount of water, sunlight and nutrients in the ground and weeds will compete with your St. Augustine grass for these resources and take away from the aesthetic appeal of your lawn. Due to its ability to withstand high temperatures and droughts, many homeowners choose St. Augustine grass for their yard. Susan Lundman began writing about her love of gardening and landscape design after working for 20 years at a nonprofit agency. Follow best practices to avoid problems: Never mow more than one-third of the length of a blade, don't mow a wet lawn and do leave grass clippings on the lawn to return nitrogen to the soil. Chinch bug damage and take-all root rot can easily also get mistaken for each other, so be sure to know the differences between these problems and how to address them before you start chinch bug treatment. … St. Augustine Grass is susceptible to a type of fungus aptly called brown patch fungus. This method may or may not bring the brown grass back to life, depending on the severity of the exposure. St. Augustine grass Decline (SAD) SAD is a virus that affects St. Augustine grass. Various other problems can cause browning in St. Augustine grass. St. Augustine grass doesn’t attract a whole lot of pests, but homeowners should be on the lookout for chinch bugs. For fungal infections that might appear as either patches or rings of browned grass, recheck your watering and mowing habits to keep your lawn healthy, and apply a fungicide as directed. 3-in-1 Weed and Feed for Southern ... - The Home Depot The tops of the grass impacted by this fungus turn from green to yellow to brown, and the roots are black. However, there a couple of types of lawn fungus that are more prevalent when you have St. Augustine grass. This practice helps the healthy grass protect the grass that has been damaged, allowing it time to grow and become healthy. If you are victim to these and other problems in your St. Augustine lawn, you should know that getting your lawn back to its optimal condition can be a difficult task. Air it out – Sometimes soil can become compacted after a flood which doesn’t provide enough space for the air to come through. As mentioned, watering doesn’t help. If you want your St. Augustine … If you’re unsure how much to fertilize or when to fertilize, a lawn care specialist can evaluate your lawn and give you more customized recommendations. You shouldn’t just be concerned about how to keep your lawn green in summer heat—these fungi, weeds and bugs all have different seasons where they are most active so your lawn care should take these seasonal considerations into account. nitrogen fertilizer, as it encourages fast growth. OK, fine. Wear eye protection, heavy gloves, pants, a long-sleeved shirt, socks and closed-toed shoes to protect yourself. Simply pick weeds and bag lawn clippings every time you mow. As we have already mentioned, having a proper lawn care maintenance schedule in place also helps to prevent a chinch bug infestation. Too much herbicide, or a mixture that is too concentrated, can do more harm than good and actually kill the healthy parts of your lawn. 25 lb. An infestation of chinch bugs can look like drought damage, so one way to test a particular spot on your grass is by getting a coffee can and removing the top and bottom and pushing the can into your grass around the impacted location. How Often Should Grass Be Watered After it Is Fertilized? Add water to the can, wait around 10 minutes and see if any bugs float the the top of the water. Early spring rains may be sufficient in your area, but generally speaking, you want each watering to move down 4 to 6 inches into the soil through the year; probe with a screwdriver or sturdy dowel to measure the area of wetness. Most chinch bugs will have a white band across their body that makes them easier to identify. Still, some pesky weeds may pop up in your grass if you fail to fertilize or water properly throughout the year. You don't need to mow the grass when it turns brown in dormancy, but you should give it 1 inch of water every 2 to 3 weeks if you live where there are temperate winds or if you have seeded over the grass with another grass variety. Grass will appear dry, but watering won’t perk it back up. An anthracnose lawn usually exhibits basal rot at the root of the stem. Insects such as grubs, chinch bugs and caterpillars can cause brown patches; remove any bugs you see by hand and apply natural bug killers or insecticides as directed on package labels. St. Augustine grass grows in U.S. Department of Agriculture plant hardiness zones 8 through 10, but in warm coastal areas, St. Augustine may never turn brown at all. This disease is caused by a fungus, and develops and spreads well in high heat and humidity. Mix two tablespoons of detergent with a gallon of water, a concentration that will not impact the health of your plants. St. Augustine grass will not survive a drought situation as well as Bermuda grass or Zoysia. Pests. By cutting your grass at higher lengths and only cutting it once every ten days, you can make your grass stronger. Spread the grass seed at the recommended rate, such as 3 to 5 pounds per 1,000 square feet for creeping red fescue, and 1/2 to 1 pound per 1,000 square feet for St. Augustine grass. On average, these pests can lay 300 eggs in their lifetime. She has written about plants, garden design and gardening tips online professionally for ten years on numerous websites. ANSWER: This yellowing is likely due to all of the rain. St Augustine grass will go dormant when the soil temperatures fall below 55 degrees. If it is, fertilize in areas that need it, so your grass can grow back and the ground won’t crack and break apart. St. Augustine is a tough grass and less vulnerable to weeds than some other varieties. St. Augustine is a warm-weather, wide-bladed grass commonly grown in the southeastern part of the country. Coming up with a specialized maintenance schedule for your lawn can be a challenge for many homeowners, since every lawn will have slightly different requirements. Luckily St. Augustine does not have as much problems with fungus as other grasses. As the grass gains its vigor in early spring, keep the length between 2 to 3 inches long for the rest of the growing season. Mow Bahia at 3 to 4 inches, Bermuda at 0.5 to 1.5 inches, Centipede at 1.5 to 2 inches, St. Augustine standards at 3.5 to 4 inches, St. Augustine dwarfs at 2.5 inches and Zoysia (coarse types) … Simple. However, if you apply a product that is not specially formulated for St. Augustine grass, you may inadvertently cause other problems. You will know you have chinch bugs and not an irrigation problem if additional watering doesn’t brighten up these dead spots. Use a watering can to pour the liquid over a three-foot by three-foot patch of your yard, and take a close look for bugs, as the mixture invades their space and sends them scrambling. As temperatures rise in early spring, you'll see St. Augustine beginning to turn green on its own. Typically, if you’ve got a problem, there are about twenty to twenty-five of these creatures per square foot. The professionals at ABC Home & Commercial Services have the experience and knowledge to troubleshoot common lawn problems on any type of lawn and implement a treatment plan that will keep your lawn beautiful and green all year long. Thatch, a thick growth of decaying grass blades, needs removal if it has caused brown patches and is over 1/2-inch thick. Why Am I Having So Much Dry Centipede Grass That I Am Having to Thatch it Every Year? how to keep your lawn green in summer heat. The main types of fungus that affect St. Augustine grass are: While drought and other factors can cause take-all root rot any time of the year, homeowners should look out for symptoms in the fall and spring months. University of California Agriculture and Natural Resources: St. Augustinegrass — Stenotaphrum Secundatum, Clemson Cooperative Extension: St. Augustinegrass Maintenance Calendar, Today's Homeowner With Danny Lipford: Help for Fertilizer Burn in Lawn Grass. If you don’t feel comfortable applying insecticide to your lawn, we recommend calling in a professional who can effectively and efficiently treat your pest problem. When St. Augustine grass suffers from this type of fungus, the movement of water and nutrients is unable to get to the roots of the grass, making its leaves turn yellow and die. Many … It is this toxin that makes your grass wither and turn yellow or reddish-brown, then die. Also, double check that your product is suitable for St. Augustine grass, as some formulations created for other grass types may actually cause problems when applied to other varieties. All in all, creating an annual lawn care schedule will help keep your grass resilient, thereby lowering your chances of weed growth. St. Augustine grass naturally turns brown when fall temperatures drop with the first frost of the season or if you have failed to water during a hot spell in July. The Differences Between Dormant & Dead Grass. Mowing too closely or with dull mower blades can cause browning any time of year. Once you recognize that the grass is coming back, in March or April, begin to water more frequently than you had been during the dormant period. Pythium root rot (Pythium spp.) St. Augustine Sod Keeps Dying. Most of the time, hiring a professional to apply fungicide for you can be the easiest option. If you’re trying to scope them out, these pests will always be in the sunniest parts of your lawn. When this is the case, a matted depression will be left by your footprints. When St. Augustine grass suffers from this type of fungus, the movement of water and nutrients is unable to get to the roots of the grass, making its leaves turn yellow and die. After applying needed treatments to your yard and eradicating your St. Augustine grass problem entirely, it’s time to get your grass growing again. Because these bugs love the heat, they are most active starting in June until late August. When St Augustine grass is going off brown after deprived of water for a long period of time; it is dying. Unfortunately, simply having a lawn puts you at risk for having chinch bugs. Some of these conditions can occur concurrently, so it may take a professional’s eye to properly diagnose which type of fungus is impacting your grass. © Copyright 2020 ABC Home & Commercial Services All Rights Reserved. You must apply a labeled insecticide quickly or the grass … Patches of grass with this type of fungus are more yellow in color. Grub damage is more commonly observed in early spring, when grass fails to green up. If your St. Augustine lawn grass has failed to thrive or is dying. Don’t use weed killer if your lawn is in its first year of growth. Normally sod planted in full sun during the summer can be cut after … Since each type of weed may require a slightly different approach to eliminate, you’ll want to determine exactly which variety is on your lawn before you begin your control efforts. In most problem cases, improper irrigation lies at the core. Improve soil quality. For browning during hot temperatures, simply increase how often you water to bring the grass back to green. Many homeowners will confuse this rot with take-all root rot because of the yellow coloring of the leaves. These large patches tend to take on weird shapes and produce tiny, black spots on grass called acervuli. Saint Augustine lawns turning brown can be either a natural part of the life cycle of the lawn through the different seasons, or it may be an inherent trait in a particular Saint Augustine grass … Legacy post ... a beautiful lawn. Don’t delay treatment if you know chinch bugs are on your lawn. St. Augustine is a popular grass for homeowners because it is shade, heat, salt and drought tolerant. The affected grass turns brown and grass blades rot and break off from the runners. This St. Augustine lawn failed to green up after suffering from Winter Kill in 2014. Affects fescue, bluegrass, centipede, ryegrass, St. Augustine, bent grass and zoysia. Brown patch most commonly attacks St. Augustine grass and can spread in an area of 1 to 50 square … The most effective way to treat chinch bugs is through an application of insecticide, but make sure to remove thatch and overgrown areas of your lawn beforehand to properly expose the chinch bugs to the treatment. After dormancy, wait until the last predicted frost date has passed and when most of the grass is definitely green, 2 to 3 weeks later, before fertilizing. However, there are still quite a few St. Augustine grass problems that homeowners can find themselves confronted with. If the soil remains warmer than 60 degrees all year, the grass will stay green. Most fungi are caused by excessive moisture, so water deeply and infrequently, and make sure you have proper drainage throughout your lawn. Will return to same parts of yard each year. Before you start to treat your grass for fungus or other problems, make sure that chinch bugs haven’t gotten to your yard. This can result from too much rain or … I planted st Augustine sod a month ago and it’s already dead? The more the fungus grows, the harder it will be to eradicate. St. Augustine (Floratam) grass seems to be the most finicky, problematic grass among the popular Florida species. Question: How long after laying new sod for St. Augustine grass do I need to wait until it’s first cut? Also, to reduce stress on your grass during your restoration efforts, restrict use or even stay off it entirely. Weed prevention starts with laying down your grass in thick blocks of sod or plugs. Our lawn experts can handle everything from regular mowing to chinch bug control to fertilizing. Nigrospora stolon rot occurs, as you may expect, at the stolon of the plant, which is the stem near the soil surface. Brown patch fungus … Brown patch fungus unsurprisingly causes large brown patched in the lawn. It can thrive … What you might not realize is that encouraging your St. Augustine grass to grow can actually make your lawn more susceptible to fungus. In fact, Saint Augustine thatch can easily reach heights of up to 10 or 15 inches after many years. Having a Saint Augustine lawn turning brown can cause concern for many homeowners. You’re not looking for just a few bugs, either. If that happens, soak the lawn thoroughly every day for 1 week. Fungi, chinch bugs and weeds are a few of the most common issues that can result in brown patches, uneven grass and dead spots that are unsightly and may require the assistance of a lawn professional to resolve. You should apply your first fertilizer application after the lawn has been mowed a couple of times in the spring. The early symptoms are mottling of the grass … Some homeowners prefer a finer bladed grass instead of the coarse texture of Saint Augustine grass. I have no idea what’s going on and can’t find any answers. In cooler parts of the zones, it may not turn green until March or April. It will, however, slow in growth as the soil … … Let’s examine each of these lawn conditions in a bit more depth. Take-all root rot is a serious fungal disease that initially resembles nutrient deficiency in grass, causing yellow rings in spring and summer. St. Augustine … After dormancy, wait for at least three weeks after the grass turns completely green to apply a preemergence herbicide specially labeled for St. Augustine grass as directed on the label. Reseeding can take place after aerating a lawn or removing thatch by raking it out. After dormancy, when your lawn turns completely green and begins growing in the spring, start your normal mowing routine. As we’ve already mentioned, the single most important thing you can do, whether your grass is healthy or showing signs of a problem, is to create a lawn care maintenance schedule. The good news for you is that brown patch disease on St. Augustine grass can be treated easily even using DIY methods as I’ve described in this article.You can treat fungus in St. HELP my St Augustine sod is dying. As the disease progresses, the turf begins to die and become thin. The adult chinch bugs will have black bodies with white wings and brown legs, while young chinch bugs are bright orange in color. For this study Ironite was applied at 10, … With ABC’s help, your lawn will be one less thing you have to worry about. Like too much fertilizer, too much herbicide can kill the grass and turn it brown. Now, we’ll go into more detail about how to combat these lawn problems. Brown patch is more likely to appear in the fall and early winter months, when nighttime temperatures drop below 70 degrees and daytime temperatures reach around 80 degrees. Watering early in the morning would probably be better for the grass … Eventually, it rains and the grass wakes up and turns green again. Blades with large patch are dark brown at the bottom and are easy to pull out of the roots. The timing for when the grass comes back to life naturally varies depending on your climate zone. Circular areas of dead grass appear in a circle that may be small or large. However, if you look closely, you will see that the roots will not turn dark brown or black in color. If you opt for herbicide, make sure you know how the specific product you have purchased works. These pests are not easy to spot, as they are only about a fifth of an inch long, but you can use dishwashing detergent to get them moving. St. Augustine Sod Keeps Dying. Each product was applied at the lowest recommended rate and at 2, 3, 4 and 5 times that rate. Proper maintenance, no matter what the “age” of your grass, can also encourage thick lawn growth. The thicker your lawn, the less room weeds will have to sneak in and take root. St. Augustine grass can fall victim to a variety of diseases. It looked beautiful for about the first 3 weeks then after … St. Augustine, being not very winter hardy, was particularly hard-hit. In a recent study, 6 iron products were evaluated on St. Augustine grass. However, the easiest way to revive it is to improve your lawn’s soil quality, water your lawn frequently, and take care of the diseases and pests. Fungus on St. Augustine grass shows symptoms such as browning of leaf blades, rust-like growths on grass, and areas of thinning or dead grass in your lawn. Of course, drought … If the soil is very sandy and drains quickly, water more frequently with about 3/4 inch of water. office and she stated the hard freeze had damaged a lot of st. aug. grass and the excessive rain … We always get asked about proper watering and how residents can maintain or improve their current St. Augustine … When mowing the healthy parts of your lawn, leave your grass clippings instead of bagging them, so that you can bring nutrients back into the soil. When treating your lawn for fungus, avoid using nitrogen fertilizer, as it encourages fast growth. Keep in mind that fungicide does contain chemicals, so be extremely cautious during application. In normal soil 1 inch of water every week is enough. When it doesn't rain, the grass goes dormant and turns brown. During this time, remember to bag up your lawn clippings to prevent the weeds from going right back into your lawn. I also feed new grass monthly until it is filled in then aerate, topdress and fertilize with a low phosphorus fertilizer twice a year. First symptom: grass blades fold and turn glossy olive drab. Saint Augustine grass (Stenotaphrum secundatum) can turn brown because it's been injured or because it's simply dormant. Dark brown or black in color ( Stenotaphrum secundatum ) can turn brown because it 's dormant! Excessive moisture, so water deeply and infrequently, and make sure you know chinch bugs will a... 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